12:09 p.m.: Lelisa Desisa Benti of Ethiopia has won the men’s division of the Boston Marathon with a time of 2:10:22.

12:03 p.m.: Shalane Flanagan became teary in a post-race TV interview. “I was hoping a laurel wreath would be the way to thank them,” she said of her supporters after a fourth-place finish in her Boston Marathon debut.

12:00 p.m.: In the men’s race, the move by Wesley Korir appeared to be short-lived. Micah Kogo is currently leading a three-man pack with Lelisa Desisa and Gebregziabher Gebremariam.

11:58 a.m.: Kenyan Rita Jeptoo, 32, who won the 2006 race, emerged with a late sprint to claim her second marathon title with a time of 2:26:25. American Shalane Flanagan finished fourth.

DAVID L RYAN/GLOBE STAFF

Rita Jeptoo won the women’s marathon.

11:54 a.m.: Kenyan Wesley Korir, the defending champion, has overtaken the men’s pack to lead his division.

11:50 a.m.: In the men’s race, there is a pack of five men in the head pack with Kenya’s Dickson Chumba among them.

11:47 a.m.: American Shalane Flanagan is now fourth, about 6 seconds back of leader Rita Jeptoo.

11:45 a.m.: The women’s pack has caught Ana Dulce Felix and Rita Jeptoo (2006 Boston winner) is among those that surpassed her.

11:43 a.m.: Behind leader Ana Dulce Felix, the women’s pack is trying to narrow the gap with just several miles left.

11:39 a.m.: At the 30k mark, Kenya’s Dickson Chumba maintained a lead. He hit the mark with a time of 1:32:42. Defending champion Wesley Korir was 11 seconds behind the lead pack.

11:37 a.m.: Women’s leader Ana Dulce Felix keeps looking over her shoulder to find a competitor, but there have been none in sight for several miles.

11:33 a.m.: Ana Dulce Felix is maintaining a solid lead (of about a minute) over the rest of the elite women’s pack.

11:30 a.m.: Dickson Chumba of Kenya is back at the front of the men’s lead pack. American Jason Harttman and Canadian Robin Watson have fallen out of the lead pack.

11:27 a.m.: The BAA said there were 23,181 starters in Hopkinton today.

11:25 a.m.: Last year, at the 30k point, the temperature was 83 degrees. This year, it was 60 degrees at the same point.

11:23 a.m.: In the women’s pack chasing leader Ana Dulce Felix, early leader Yolanda Caballero and American Shalane Flanagan remain in the hunt.

11:18 a.m.: Ana Dulce Felix continues to lead the women’s pack. She had a time of 1:41:23 after 18 miles.

11:16 a.m.: Both wheelchair winners, Tatyana McFadden and Hiroyuki Yamamoto, are headed to London to compete in that city’s marathon next week.

DAVID L RYAN/GLOBE STAFF

American Tatyana McFadden won the women’s wheelchair division.

11:14 a.m.: Canadian Robin Watson has opened up a lead ahead of the men’s lead pack.

11:11 a.m.: Dickson Chumba of Kenya led a pack of 8 at the front of the men’s race just after the 13.1 mile point with a time of 01:04:54.

11:07 a.m.: The “Star-Spangled Banner” played on Boylston Street in honor of American Tatyana McFadden’s win in the women’s wheelchair division.

11:04 a.m.: The temperature at the finish line is 50 degrees and conditions are cloudy.

11:02 a.m.: American Tatyana McFadden has won the women’s wheelchair race with a time of 1:45:25. She adds Boston to a resume that includes wins at New York (2010) and Chicago (2011, 2012).

10:55 a.m.: After the 15k mark, Gebregziabher Gebremariam led the men’s race.

10:51 a.m.: Yolanda Caballero opened up a 35-second lead over the rest of the elite women’s pack after 20k.

10:49 a.m.: Tatyana McFadden is leading the women’s wheelchair division through 35k, coming closer to the finish line.

David L Ryan/Globe Staff

Hiroyuki Yamamoto won the men’s wheelchair division.

10:42 a.m.: Hiroyuki Yamamoto of Japan, 46, won the men’s wheelchair division with a time of 1:25:32. The elite men’s and women’s runners are churning toward Boston.

10:38 a.m.: Hiroyuki Yamamoto just passed the 25 mile mark in the men’s wheelchair division with a good-sized lead.

10:33 a.m.: Americans Shalane Flanagan and Kara Goucher are staying with the lead pack of women just more than an hour into their race. Yolanda Caballero had a slight lead as the pack crossed mile 10 at a time of 56:53.

10:32 a.m.: Robin Watson of Canada led the men at the 5k mark with a time of 15:34.

10:11 a.m.: After 10k in the women’s race, Yolanda Caballero led at 35:32 with Ana Dulce Felix trailing her.

10:06 a.m.: The temperature was 56 degrees in Hopkinton when the elite men’s field began the race.

10:03 a.m.: In the women’s wheelchair race, defending champion Shirley Reilly led the field through 15k with a time of 35:29.

10:02 a.m.: While all of the elite competitors are now on the course, some of the other runners must wait to begin the race. In a field of about 27,000 runners, the BAA breaks the start into three waves of runners. The first wave followed the elite men at 10:00. The second and third waves will begin at 10:20 and 10:40.

Dina Rudick/Globe Staff

The field of elite men’s runners started at 10 a.m.

10:00 a.m.: The men’s field has begun its race to Boston. Defending champion Wesley Korir is among the runners aiming to cross the finish line first. Meet the elite men’s field here.

9:58 a.m.: Hiroyuki Yamamoto led the men’s wheelchair division with a time of 40:12 after 13.1 miles.

9:50 a.m.: Manami Kamitanida and Yolanda Caballero led the elite women’s field through two miles. Their time at the 2-mile mark was 11:54.

9:40 a.m.: The elite women moved through their first mile at a pace of 6:01.

9:35 a.m.: Water is important to all runners along the course. The BAA says that along the 26.2-mile course there will be 1.4 million paper cups available at water stations.

Pat Greenhouse/Globe Staff

The field of elite women left the starting line just after 9:30.

9:32 a.m.: The women’s field is now underway. Included in the field is last year’s winner, Sharon Cherop, and American Olympian Shalane Flanagan, whom many are predicting will win the race. Meet the field of elite women’s runners here.

9:22 a.m.: The handcycylists have begun the next wave of marathon competitors.

9:17 a.m.: The wheelchair division has embarked from Hopkinton. Included in the field this year is defending women’s champion American Shirley Reilly and defending men’s champion Joshua Cassidy of Canada.

9:11 a.m.: There is hope that the US can break its drought of Boston Marathon running champions this year, and many of the hopes circle around Marblehead native Shalane Flanagan. The Olympian is running her first Boston Marathon this year, and Greg Meyer -- the last American man to win in 1983 -- said on TV this morning he thinks she has a realistic shot to win. Flanagan told the Globe of how important the race is to her: “If someone said, ‘If you win Boston, you have to retire tomorrow.’ I’d say, ‘OK, I’ll take that deal.’ ”

9:06 a.m.: Who runs in the mobility impaired division? Juli Windsor, 27, from the South End, and John Young, 47, a teacher from Salem, are in the division as the first known dwarfs to run the marathon. We profiled them yesterday, when Mike Cekanor, a spokesman for the Dwarf Athletic Association of America, told us he was not aware of any other dwarfs to run a marathon.

Aram Boghosian for The Boston Globe

Buzz built at the starting line in Hopkinton on Monday.

9:01 a.m.: The mobility impaired division just kicked off the marathon. The race is officially underway.

8:53 a.m.: The BAA just held a 26-second moment of silence to honor the 26 victims of the tragedy in Newton, Conn., last December.

8:46 a.m.: The last American man to win the Boston Marathon, Greg Meyer, appeared on TV this morning and said it was “embarrassing” to still be referred to by that title, 30 years after his 1983 win. “I can’t wait for an American to win again,” Meyer said.

8:30 a.m.: The race will officially begin at 9 a.m. when the mobility impaired division hears the starting gun. The wheelchair division begins at 9:17 a.m., handcycles at 9:22 a.m., the elite women at 9:32 a.m., and then the elite men and the rest of the field begins at 10 a.m. See the full list of starting times here.